GeForce GT 640M Mac Edition vs GeForce GT 330M Mac Edition
We compared two Mobile platform GPUs: 512MB VRAM GeForce GT 640M Mac Edition and 512MB VRAM GeForce GT 330M Mac Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
GeForce GT 640M Mac Edition 's Advantages
Released 2 years and 10 months late
Larger VRAM bandwidth (40.00GB/s vs 25.28GB/s)
336 additional rendering cores
GeForce GT 330M Mac Edition 's Advantages
Lower TDP (23W vs 32W)
Score
Benchmark
FP32 (float)
GeForce GT 640M Mac Edition
+439%
572
GeForce GT 330M Mac Edition
106
Graphics Card
Feb 2013
Release Date
Apr 2010
GeForce 600M
Generation
GeForce 300M
Mobile
Type
Mobile
PCIe 3.0 x16
Bus Interface
MXM-A (3.0)
Clock Speeds
1250 MHz
Memory Clock
790 MHz
Memory
512MB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
64bit
Memory Bus
128bit
40.00GB/s
Bandwidth
25.28GB/s
Render Config
-
SM Count
6
384
Shading Units
48
32
TMUs
16
8
ROPs
8
16 KB (per SMX)
L1 Cache
-
128 KB
L2 Cache
64 KB
Theoretical Performance
5.960 GPixel/s
Pixel Rate
4.000 GPixel/s
23.84 GTexel/s
Texture Rate
8.000 GTexel/s
572.2 GFLOPS
FP32 (float)
105.6 GFLOPS
23.84 GFLOPS
FP64 (double)
-
Board Design
32W
TDP
23W
No outputs
Outputs
No outputs
Graphics Processor
GK107
GPU Name
GT216
N13P-GS
GPU Variant
N11P-GE1-A3
Kepler
Architecture
Tesla 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
1.27 billion
Transistors
0.486 billion
118 mm²
Die Size
100 mm²
Graphics Features
12 (11_0)
DirectX
11.1 (10_1)
4.6
OpenGL
3.3
3.0
OpenCL
1.1
1.1
Vulkan
N/A
3.0
CUDA
1.2
5.1
Shader Model
4.1
